[coreboot-gerrit] [S] Change in coreboot[master]: mb/google/myst: Add pen detect support

[Martin Roth (Code Review)]

Martin Roth has submitted this change. ( https://review.coreboot.org/c/coreboot/+/75696?usp=email )

Change subject: mb/google/myst: Add pen detect support
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mb/google/myst: Add pen detect support

Add pen detect support on the SOC pen detect GPIO.

BUG=b:286296762
TEST=Verify pen detect works on Myst

Change-Id: I922d643a83c5cd8ea0ab9fe6733f7aa05d935802
Signed-off-by: Jon Murphy 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/75696
Tested-by: build bot (Jenkins) 
Reviewed-by: Karthik Ramasubramanian 
Reviewed-by: Tim Van Patten 
Reviewed-by: Eric Lai 
---
M src/mainboard/google/myst/Kconfig
M src/mainboard/google/myst/variants/myst/overridetree.cb
2 files changed, 13 insertions(+), 0 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Karthik Ramasubramanian: Looks good to me, approved
  Tim Van Patten: Looks good to me, approved
  Eric Lai: Looks good to me, approved

diff --git a/src/mainboard/google/myst/Kconfig b/src/mainboard/google/myst/Kconfig
index a35596c..bfa4d03 100644
--- a/src/mainboard/google/myst/Kconfig
+++ b/src/mainboard/google/myst/Kconfig
@@ -10,6 +10,7 @@
    select AMD_SOC_CONSOLE_UART
    select BOARD_ROMSIZE_KB_16384
    select DISABLE_KEYBOARD_RESET_PIN
+	select DRIVERS_GENERIC_GPIO_KEYS
    select DRIVERS_I2C_GENERIC
    select DRIVERS_I2C_HID
    select DRIVERS_WIFI_GENERIC
diff --git a/src/mainboard/google/myst/variants/myst/overridetree.cb b/src/mainboard/google/myst/variants/myst/overridetree.cb
index d230e50..05db7ee 100644
--- a/src/mainboard/google/myst/variants/myst/overridetree.cb
+++ b/src/mainboard/google/myst/variants/myst/overridetree.cb
@@ -64,6 +64,18 @@
    		register "hid_desc_reg_offset" = "0x01"
    		device i2c 0x10 on end
    	end
+		chip drivers/generic/gpio_keys
+			register "name" = ""PENH""
+			register "gpio" = "ACPI_GPIO_INPUT_ACTIVE_LOW(GPIO_7)"
+			register "key.dev_name" = ""EJCT""
+			register "key.wakeup_event_action" = "EV_ACT_DEASSERTED"
+			register "key.linux_code" = "SW_PEN_INSERTED"
+			register "key.linux_input_type" = "EV_SW"
+			register "key.label" = ""pen_eject""
+			register "key.debounce_interval" = "100"
+			register "key.wakeup_route" = "WAKEUP_ROUTE_GPIO_IRQ"
+			device generic 0 on end
+		end
    end # I2C1
    device ref i2c_3 on
    	chip drivers/i2c/generic